| INSCRIPTION | COUNTRY | YEARS | # ISSUED |
| A&T (ovpt on French Colonies) | Annam & Tonkin | 1888 | 10 |
| Abu Dhabi | Abu Dhabi | 1964-72 | 80 |
| Acores | Azores | 1868-30 | 400 |
| Aden | Aden | 1937-65 | 200 |
| Afars et des Issas | Afars & Issas | 1967-77 | 200 |
| Afghan Post | Afghanistan | 1973 | 5 |
| Afghan Postage | Afghanistan | 1927-28 | 20 |
| Afghanes, Postes | Afghanistan | 1928- | 1500 |
| Afghanistan, Postes | Afghanistan | 1951-54 | 30 |
| Africa Occidentale Espanola | Spanish W.Africa | 1949-51 | 25 |
| Africa Orientale Italiana | Italian E.Africa | 1938-41 | 80 |
| Afrique Equatoriale Francaise | Fr. Equatorial Africa | | |
| Afrique Occidentale Francaise | French West Africa | | |
| Aitutaki | Aitutaki | 1903- | 400 |
| Ajman | Ajman | 1964-69 | 1100 |
| Ajman State | Ajman (unlisted) | 1967-73 | 900 |
| Aland | Finland: Aland Isls. | 1984- | 60 |
| Alderney | GB: Alderney | 1985- | 100 |
| Alexandrie | Fr.Offices in Egypt | | |
| Algerie | Algeria | 1924- | 1200 |
| Allenstein | Allenstein | | 30 |
| Andorra | Andorra (Spanish) | 1928-79 | 120 |
| , Principat d’ | Andorra (Spanish) | 1979- | 150 |
| , Principat d’ | Andorra (French) | 1978- | 200 |
| Andorre | Andorra (French) | 1931-78 | 200 |
| , Vallees d’ | Andorra (French) | 1932-42 | 80 |
| Angola | Angola | 1870- | 900 |
| Angra | Angra | 1892-1905 | 40 |
| Anguilla | Anguilla | 1967- | 600 |
| Anjouan, Sultanat d’ | Anjouan | 1892-1912 | 30 |
| Antigua | Antigua | 1862- | 900 |
| Antioquia | Colombia: Antioquia | 1868-04 | 180 |
| Arabie Saoudite, Royaume de l’ | Saudi Arabia | 1934-66 | 200 |
| Argentina | Argentina | 1862- | 2400 |
| , Confed. | Argentina | 1858-60 | 6 |
| Argentinos, Correos | Argentina | 1888-90 | 15 |
| Armenia | Armenia | 1992- | |
| Aruba | Aruba | 1986- | 100 |
| Ascension | Ascension | 1922- | 450 |
| Assistencia Nacional aos Tuberculosos | Portugal | 1904 | 2 |
| Australia | Australia | 1913- | 1300 |
| Australian Antarctic Territory | Australia: A.A.T. | 1957- | 90 |
| Autopaketti | Finland (Parcel) | 1949- | 20 |
| Avisporto Maerke | Denmark (News.) | 1907-15 | 20 |
| Azarbaykcan | Azerbaidjan | 1991- | |
| Azerbaidjan | Azerbaidjan | 1919 | |
